To give myself a better chance of finishing the month in profit, despite being absolutely shit at poker, I try to take advantage of sign-up offers. It’s not like someone’s out to get you – and if they are, use it.'Īlthough I lack Maria's self-control, solid temperament, attention to detail and PhD-level understanding of psychology, I do have something going for me: an insatiable appetite for grifting. 'Remind yourself over and over that none of this is personal,' Maria says.